White noise machine



FIG. 1 is a top plan view of a white noise machine, showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top, front and right side perspective view.

The dashed broken lines depict portions of the white noise machine that form no part of the claim. 

CLAIM The ornamental design for a white noise machine, substantially as shown and described. 